* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  }

body {
  background-color: #EFEEEE;
  font-family: 'Avenir','Helvetica Neue','Helvetica','Arial','Hiragino Sans','ヒラギノ角ゴシック',YuGothic,'Yu Gothic','メイリオ', Meiryo,'ＭＳ Ｐゴシック','MS PGothic',sans-serif;
  font-size: 16px; }

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #333;
  line-height: 1.3;
  font-weight: 700; }

p {
  color: #333;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400; }

a,
a:hover,
a:focus {
  -webkit-transition-duration: 500ms;
  transition-duration: 500ms;
  text-decoration: none;
  outline: 0 solid transparent;
  color: #f7cf0c;
  cursor: pointer;}
a:hover {
  color: #f7cf0c;
}
ul,
ol {
  margin: 0; }
  ul li,
  ol li {
    list-style: none;line-height: 1.4; }
dd {
  line-height: 1.4;
}
img {
  height: auto;
  max-width: 100%; }
.txc {
  text-align: center;
}
.txr {
  text-align: right;
}
/* 共通カラー */
.mc {
  color: #f7cf0c;
}
.mbc {
  background-color: #f7cf0c;
}
.wc {
  color: #fff!important;
}
.wbc {
  background-color: #fff;
}
.bbc {
  background-color: #333;
}
.bbc--darker {
  background-color: #242021;
}
.ybc {
  background-color: #f7cf0c;
}
/* 共通パーツ */
.btn {
  display: block;
  width: 200px;
  margin: 40px auto;
  padding: 12px 20px 12px 30px;
  color: #333;
  text-align: left;
  position: relative;
}
.btn-inline {
  display: inline-block;
}
.btn--large {
  width: 250px;
}
.btn--right {
  margin: 40px 0 40px auto;
}
.btn::before {
  position: absolute;
  top: 50%;
  right: 12px;
  content: '→';
  color: #333;
  transform: translateY(-50%);
  transition: right 0.15s linear;
}
.btn.bbc::before {
  color: #fff;
}
.btn.btn--underArrow::before {
  content: '↓';
  transition: transform 0.15s linear;
}
.btn:hover {
  color: #333;
  opacity: 0.8;
}
.btn:hover::before {
  right: 6px;
}
.btn:hover.btn--underArrow::before {
  right: 12px;
  transform: translateY(-35%);
}
.btn-line .btn-inline {
  margin-right: 1em;
}
.main-btn::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  opacity: 0;
  background: #f7cf0c;
  background: -webkit-linear-gradient(to right, #f7cf0c, #f7cf0c);
  background: linear-gradient(to right, #f7cf0c, #f7cf0c);
  border-radius: 5px;
  z-index: 0;
  transition: all .5s;
}
.main-btn:hover::after {
  opacity: 1;
}
.main-btn .btn-inner {
  position: relative;
  z-index: 2;
}
.sub-btn {
  display: block;
  width: 180px;
  margin: 20px auto;
  padding: 10px;
  border-radius: 100px;
  text-align: center;
}
.bg-img {
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
.bg-overlay {
  position: relative;
  z-index: 2;
  background-position: center center;
  background-size: cover; }
  .bg-overlay::after {
    background-color: rgba(0, 0, 0, 0.7);
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
  }
  .ybc.bg-overlay::after {
    background-color: rgba(247, 207, 12,0.8);
  }
/* Preloader */
#preloader {
  background: #f7cf0c;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5000;
  transition: opacity 1s, visibility 1s;
}
  #preloader .circle-preloader {
    display: block;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-bottom-color: #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    animation: spin 2s infinite linear; }
@-webkit-keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg); } }
@keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg); } }

#preloader.fadeOut {
  opacity: 0;
  visibility: hidden;
}
.h-100 {
  height: 100%;
}
.section-wrapper {
  position: relative;
  z-index: 0;
}
.c-section {
  padding: 60px 0;
}
.c-section--noPaddingTop {
  padding-top: 0;
}
.c-section--noPadding {
  padding: 0;
}
.c-section-yellow {
  background-image: linear-gradient(to right, #f7cf0c, #f7cf0c 60%, transparent 60%);
}
.c-section-yellow__figure {
  width: 45%;
  min-height: 500px;
}
.c-section-yellow__detail {
  width: 53%;
  padding: 0 24px;
}
  .c-section-yellow__detail__title {
    margin-bottom: 12px;
    padding-bottom: 12px;
    font-size: 24px;
    font-weight: 600;
    position: relative;
  }
  .c-section-yellow__detail__title::before {
    position: absolute;
    bottom: -8px;
    left: 0;
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background-color: #333;
  }
  .c-section-yellow__detail__paragraph {
    margin-top: 1em;
  }
  .c-section-yellow__detail__paragraph:first-child {
    margin-top: 0;
  }
.c-section-ttl {
  font-size: 32px;
}
.c-section-ttl--underLine {
  position: relative;
}
  .c-section-ttl--underLine::before {
    position: absolute;
    bottom: -12px;
    left: 50%;
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background-color: #333;
    transform: translateX(-50%);
  }
  .c-section-ttl--underLine.c-section-ttl--underLine--yellow::before {
    background-color: #f7cf0c;
  }
.c-lower-section-ttl {
  padding: 1.5em 1em;
  color: #333;
}
.c-container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
}
.c-container.c-container--s {
  max-width: 960px;
}
.c-container--full {
  width: 100%;
  padding: 0 24px;
}
.c-container--full--noPadding {
  width: 100%;
  padding: 0;
}
.c-container--full--paddingBottom {
  width: 100%;
  padding: 0 0 60px;
}
.c-container--marginTop {
  margin-top: 60px;
}

.c-list {
  padding: 60px 24px 0;
}
.c-list__ttl {
  padding-bottom: 12px;
  color: #fff;
  font-size: 24px;
  border-bottom: 2px solid #fff;
}
.c-list__items__item {
  padding: 12px 0;
  color: #fff;
  border-bottom: 1px solid #fff;
}
.c-hr {
  height: 20px;
  background-color: #f7cf0c;
  border: none;
}
.flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.flex-reverse {
  flex-direction: row-reverse;
}
.flex-wrap {
  flex-wrap: wrap;
}

.flex-column {
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
     -ms-flex-direction: column;
         flex-direction: column;
}
.align-items-center {
  -webkit-box-align: center;
     -ms-flex-align: center;
        align-items: center;
}
.align-content-center {
  align-content: center;
}
.justify-content-center {
  justify-content: center;
}
.space-around {
  -ms-flex-pack: distribute;
justify-content: space-around;
}
.space-between {
  -webkit-box-pack: justify;
     -ms-flex-pack: justify;
   justify-content: space-between;
}
/* Header Area */
.m-header {
  position: relative;
  z-index: 100;
  width: 100%;
  height: 125px;
  margin: 0 auto;
  padding: 12px 24px 12px 72px;
}
.m-header-lower {
  background-color: #333;
}
  .m-header__logo,
  .m-footer__content__info__logo {
    width: 300px;
  }
    .m-header__logo__title,
    .m-footer__content__info__logo__title {
      width: 100%;
      height: 100%;
      font-size: 24px;
      font-weight: 500;
      color: #fff;
      line-height: 1.5;
    }
    .m-header__logo__title:hover,
    .m-header__logo__title:focus,
    .m-footer__content__info__logo__title:hover,
    .m-footer__content__info__logo__title:focus {
      color: #fff;
    }
      .m-header__logo__title__en,
      .m-footer__content__info__logo__title__en {
        font-size: 0.7em;
        opacity: 0.7;
      }
      .m-header__logo__title__sub,
      .m-footer__content__info__logo__title__sub {
        font-size: 0.8em;
      }
  .m-header__nav {
    width: calc(100% - 330px);
    max-width: 800px;
    height: 100%;
    margin-left: auto;
  }
    .m-header__nav > .navbar-toggler {
      display: none;
    }
    .m-header__nav__wrapper {
      height: 100%;
    }
      .m-header__nav__wrapper__list {
        height: 100%;
      }
        .m-header__nav__wrapper__list__item__anchor {
          padding: 12px 24px;
          font-size: 20px;
          font-weight: bold;
          color: #333;
        }
        .m-header-lower .m-header__nav__wrapper__list__item__anchor {
          color: #fff;
        }
        .m-header-lower .m-header__nav__wrapper__list__item__anchor:hover {
          color: #f7cf0c;
        }

.m-hero__figure {
  width: 45%;
  min-height: 500px;
  background-image: url(images/top.jpg);
}
.m-hero__detail {
  width: 53%;
  padding: 0 24px;
}
  .m-hero__detail__title {
    margin-bottom: 12px;
    padding-bottom: 12px;
    font-size: 24px;
    font-weight: 500;
    position: relative;
  }
  .m-hero__detail__title::before {
    position: absolute;
    bottom: -8px;
    left: 0;
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background-color: #f7cf0c;
  }
  .m-hero__detail__paragraph {
    margin-top: 1em;
  }
  .m-hero__detail__paragraph:first-child {
    margin-top: 0;
  }
  .m-hero__detail__paragraph__list {
    margin-top: 1em;
    padding-left: 1em;
}
  .m-hero__detail__paragraph__list__item {
    color: #333;
    list-style-type: decimal;
}
/* トップページ */
.p-front-topWrapper {
  padding-bottom: 60px;
  background-image: linear-gradient(to right, #f7cf0c,#f7cf0c 48px, #333 48px, #333 390px, #EFEEEE 390px);
}
/* NEWS section */
.c-news-section__list {
  max-height: 500px;
  margin-top: 24px;
  color: #fff;
  border-top: 1px solid #fff;
  overflow-y: scroll;
}
  .c-news-section__list__item {
    padding: 12px 18px;
    border-bottom: 1px solid #fff;
  }
  .c-news-section__list__item__category {
    margin-left: 18px;
    padding: 6px 18px;
    background: #fff;
    color: #333;
  }
  .c-news-section__list__item__title {
    margin-left: 18px;
    color: #fff;
    word-break: break-word;
  }

/* PUBLICATION section */
.c-publication-section__tabs {
  margin-top: 36px;
}
#publication .c-publication-section__tabs {
  margin-top: 48px;
}
  .c-publication-section__tabs__tab {
    margin: 0 6px;
    padding: 12px 36px;
    color: #fff;
    border: 1px solid #fff;
    border-radius: 50px;
  }
  .c-publication-section__tabs__tab:hover {
    cursor: pointer;
  }
  .c-publication-section__tabs__tab.active {
    background-color: #f7cf0c;
    color: #333;
    border: 1px solid #f7cf0c;
  }
.c-publication-section__list {
  margin-top: 36px;
  border-top: 2px solid #fff;
  border-bottom: 2px solid #fff;
}
.c-publication-section__list:not(.show) {
  display: none;
}
  .c-publication-section__list__item {
    padding: 12px 0;
    color: #fff;
    border-top: 1px dashed #fff;
  }
  .c-publication-section__list__item:first-child {
    border-top: none;
  }

/* RESEARCH */
.c-research-section {
  position: relative;
  z-index: 2;
}
.p-research-section {
  margin-top: -30px;
  padding-top: 90px;
  position: relative;
  z-index: 1;
}
.p-research-section--noMargin {
  margin-top: 0px;
  padding-top: 60px;
}
.p-research-section__ttl {
  width: 400px;
  color: #f7cf0c;
}
.p-research-section__content {
  width: calc(100% - 400px);
}
.p-research-section__content__paragraph {
  margin-bottom: 1em;
  color: #fff;
}
.p-research-section__detail {
  background-color: #333;
  margin-top: 24px;
  padding: 5%;
}
  .p-research-section__detail__ttl {
    padding-bottom: 12px;
    color: #fff;
    border-bottom: 2px solid #fff;
  }
  .p-research-section__detail__content__text {
    width: 48%;
    padding: 24px 0 0;
  }
    .p-research-section__detail__content__text__paragraph {
      margin-bottom: 1em;
      color: #fff;
    }
  .p-research-section__detail__content__figure {
    width: 48%;
    padding: 24px 0 0;
  }
    .p-research-section__detail__content__figure__image--s {
      display: block;
      width: 80%;
      margin: 0 auto 12px;
    }

/* MEMBER */
.c-member-section {
  background-image: linear-gradient(to right, transparent, transparent 40%, #f7cf0c 40%);
}
.c-member-section-bg {
  background-image: url(images/section-bg-image_reverse.jpg);
}
.c-member-section__detail {
  width: 100%;
}
  .c-member-section__detail__figure {
    width: 70%;
    height: 500px;
  }
  .c-member-section__detail__title {
    margin-bottom: 12px;
    margin-left: 24px;
    padding-bottom: 12px;
    font-weight: 600;
    position: relative;
  }
  .c-member-section__detail__title::before {
    position: absolute;
    bottom: -8px;
    left: 0;
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background-color: #333;
  }
  .c-member-section__box {
    width: 100%;
    max-width: 800px;
    margin: 60px auto 0px;
    padding: 24px;
    background-color: #333;
  }
  .c-member-section__box:not(:first-of-type) {
    margin-top: 24px;
  }
  .c-member-section__box__figure {
    width: 200px;
    height: 200px;
  }
  .c-member-section__box__content {
    width: calc(100% - 226px);
  }
  .c-member-section__box__content__name {
    padding-bottom: 12px;
    color: #fff;
    font-size: 24px;
    font-weight: 500;
    border-bottom: 2px solid #f7cf0c;
  }
  .c-member-section__box__content__name__sub {
    display: block;
    margin-bottom: 6px;
    font-size: 18px;
  }
  .c-member-section__box__content__name__en {
    margin-left: 12px;
    color: rgba(255,255,255,0.5);
    font-size: 16px;
  }
  .c-member-section__box__content__detail {
    padding: 1em 0;
    border-bottom: 1px solid #707070;
  }
    .c-member-section__box__content__detail__title {
      width: 25%;
      color: #fff;
    }
    .c-member-section__box__content__detail__data {
      width: 73%;
      color: #fff;
    }

/* Invitation */
.c-invitation-section__figure {
  width: 40%;
  height: 0;
  padding-top: 30%;
}
.c-invitation-section__content {
  width: 55%;
}
.c-invitation-section__content__ttl {
  font-size: 20px;
  font-weight: 600;
}
.c-invitation-section__content__paragraph {
  margin-top: 1em;
}
/* Contact */
.c-contact-section__container {
  padding: 48px;
}
  .c-contact-section__container__content {
    margin-top: 48px;
    padding: 0;
  }
    .c-contact-section__container__content__info {
      width: 48%;
    }
      .c-contact-section__container__content__info__title {
        width: 30%;
        padding-top: 1em;
        font-weight: 500;
      }
      .c-contact-section__container__content__info__data {
        width: 68%;
        padding-top: 1em;
      }
      .c-contact-section__container__content__info__data small {
        font-size: 12px;
      }
    .c-contact-section__container__content__map {
      width: 48%;
    }
/* Footer */
#pagetop {
  position: fixed;
  bottom: 30px;
  right: 50px;
  width: 40px;
  height: 40px;
  background: #f7cf0c;
  color: #FFF;
  text-align: center;
  box-shadow: 0 3px 4px rgba(0,0,0,.15), 0 0 3px 0 rgba(0,0,0,.2);
  z-index: 2;
  opacity: 0;
}
#pagetop::before {
  position: absolute;
  top: 50%;
  left: 50%;
  content: '';
  display: block;
  width: 0;
  height: 0;
  border: 8px solid transparent;
  border-bottom: 10px solid #fff;
  transform: translate(-50%, -75%);
}
#pagetop.visible {
  opacity: 1;
}
#pagetop:hover {
  box-shadow: 0 8px 15px rgba(0,0,0,.25);
  transition: all .3s;
}
#pagetop .icon {
  height: 100%;
  font-size: 30px;
}

.m-footer__content {
  padding: 60px 24px;
}
.m-footer__content__info {
  width: 300px;
}
  .m-footer__content__info__logo {
    width: 300px;
  }
    .m-footer__content__info__logo__title {
      width: 100%;
      height: 100%;
      font-size: 24px;
      font-weight: 500;
      color: #333;
      line-height: 1.5;
    }
    .m-footer__content__info__logo__title:hover,
    .m-footer__content__info__logo__title:focus {
      color: #333;
    }
      .m-footer__content__info__logo__title__en {
        font-size: 0.7em;
        opacity: 0.7;
      }
      .m-footer__content__info__logo__title__sub {
        font-size: 0.8em;
      }
  .m-footer__content__info__detail__paragraph {
      margin-top: 1em;
    }
  .m-footer__content__nav__list__item {
    margin-bottom: 0.5em;
    padding-bottom: 0.5em;
  }
  .m-footer__content__nav__list__item__anchor {
    display: block;
    padding-left: 1em;
    color: #333;
    font-size: 18px;
    font-weight: 500;
    position: relative;
  }
  .m-footer__content__nav__list__item__anchor::before {
    position: absolute;
    top: 25%;
    left: 0;
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    background-color: #f7cf0c;
    transition: all .3s linear;
  }
  .m-footer__content__nav__list__item__anchor:hover::before {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
  }
  .m-footer__copyright {
    width: 100%;
    padding: 1em;
    font-size: 12px;
  }
.m-footer__content__link__anchor {
   width: 100%;
   max-width: 250px;
   margin-bottom: 1em;
   box-shadow: 0 0 3px rgba(0,0,0,0.15);
}
  .m-footer__copyright__anchor {
    color: #333;
    text-decoration: underline;
  }
  .m-footer__copyright__anchor:hover {
    color: #333;
    text-decoration: none;
  }